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  • Nature Publishing Group  (19,871)
  • Copernicus
  • 1955-1959  (20,068)
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  • 1
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    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1636-1637 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The test paper was originally described for detection of serum spots in forensic medicine3. The paper, which is impregnated with alpha-naphthyl phosphoric acid and diazo-o-dianisidin, is easily prepared and stable on storage. After completion of the electrophoresis a strip of filter-paper is ...
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  • 2
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    Nature 184 (1959), S. 1638-1640 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Rat liver was homogenized according to the method of Crane and Sols7. The homogenate was centrifuged for 30 min. at 12,000 r.p.m., and the clear pink supernatant was used, without further treatment, as the source of enzyme. All the above operations were carried out at 2 C., and the supernatant was ...
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  • 3
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    Nature 184 (1959), S. 1641-1642 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Rat kidney homogenate prepared in 0 l M potassium chloride containing 0-039 M borate buffer pTL 7, produced both ammonia and inorganic phosphate when incubated with muscle adenylic acid. When the homogenate was fractionated by differential centrifugation, the phosphatase activity was localized ...
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  • 4
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    Nature 184 (1959), S. 1644-1645 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Crossbred ewe and wether lambs, 5-8 months old and weighing between 40 and 124 lb., were used. They were kept on pasture and each, with the exception of the black sheep, had been infected experimentally with 200 metacercarise of Fasciola heptica obtained from a laboratory colony of infected Limncea ...
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  • 5
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    Nature 184 (1959), S. 1917-1920 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A RECENT article on the above subject1 showed that the mechanical properties of Armco iron were slightly lower after a previous amount of dynamic prestrain than after the same amount of static deformation. This finding confirmed the results of Campbell and Duby2 but was contrary to those of Harris ...
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  • 6
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    Nature 184 (1959), S. 1922-1925 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] YAGI, Nagatsu and Ozawa1 reported recently that chlorpromazine (N- [3 '-dimethylaminopropy ] ] -3-chlorophenothiazine) is an inhibitor of d-amino-acid oxidase. They stated that substantial inhibition was achieved with 2 x 10~5 M chlorpromazine in a system consisting of a hog kidney d-amino-acid ...
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  • 7
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    Nature 184 (1959), S. 1920-1922 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ACRIDINE orange has been shown1 to form aggregates or 'stacks' when bound to polyanions. The strength of the dye-dye interaction depends upon the polyion used, and is, in general, greater with flexible than with rigid polymers. Since deoxy-ribonucleic acid undergoes a transition from a rigid, ...
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  • 8
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    Nature 184 (1959), S. 1925-1927 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE adenosine triphosphate-adenosine diphos-jL phate system appears to be a universal component of living cells, and is required for activation and utilization of most metabolites. A reliable estimate of the free-energy change for hydrolysis of adenosine triphosphate is therefore needed for ...
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  • 9
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    Nature 184 (1959), S. 1927-1929 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE composite nature of the gene, both as regards JL structure and function, has been admirably demonstrated by Benzer's1 work on the r-II locus of the T4 bacteriophage. That complex genes are of widespread (if not universal) occurrence has also been demonstrated by the discovery of pseudoallelic ...
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  • 10
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    Nature 184 (1959), S. 1930-1930 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] (Meeting marked with an asterisk * is open to the public) Tuesday, December 29 RADAR AND ELECTRONICS ASSOCIATION (at the Royal Society of Arts, John Adam Street, Adelphi, London, W.C.2), at 7.30 p.m. Dr. K. R. Sturley : "High Quality Sound Broadcasting".* Wednesday, December 30 ROYAL SOCIETY OF ...
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  • 11
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    Nature 184 (1959), S. 1930-1930 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] (not included in the monthly Books Supplement) Great Britain and Ireland Pharmaceutical Legislation in Great Britain. By Allan Duckworth. (Paper presented at the International Congress on the Problems of European Pharmaceutical Legislation, held under the auspices of the Italian Society of ...
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  • 12
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    Nature 184 (1959), S. 1930-1930 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] APPLICATIONS are invited for the following appointments on or before the dates mentioned : LECTURER (preferably with an interest in the theory of machines, mechanical servomechanisms or the strength of materials) IN MECHANICAL ENGINEERING The Secretary, The Queen's University, Belfast (January ...
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  • 13
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    Nature 184 (1959), S. 1931-1931 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A variety of experimental evidence has now been obtained that indicates that the density, and possibly the nature, of the crystal defects in the irradiated material influence the retention, as well as the kinetic parameters of the subsequent thermal annealing of the recoil damage. The ...
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  • 14
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    Nature 184 (1959), S. 1932-1932 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have observed the recombination of recoil fragments by ultra-violet light in ammonium di-hydrogen phosphate, and have made a comparison of this with high-energy electron annealing. The ammonium dihydrogen phosphate crystals were irradiated with thermal neutrons in Bepo at Harwell for 6 hr. at ...
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  • 15
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    Nature 184 (1959), S. 1522-1523 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE volume under review supplements the data JL given in the third edition (1948-54) of Volume 2, and includes all the important publications which have appeared prior to January 1956. In dealing with such a vast compilation, now five volumes, the authors cannot from their personal experience ...
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  • 16
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    Nature 184 (1959), S. 1668-1668 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A study of Striga in Nigeria has revealed that in certain areas considerable numbers of the fruits produced by the plant are infected with the larvae of Smicronyx sp. (ColeopteraiCurculionidse). The eggs of Smicronyx are probably laid in the developing fruit or ovary. The larvae lives within the ...
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  • 17
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    Nature 184 (1959), S. 1670-1670 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It is an experimental fact that a dose d of radiations will induce leukaemia in a proportion P of susceptible individuals. Clearly, among individuals exposed to the same dose, some respond whereas others do not. Consequently individual susceptibility is postulated. Different theoretical models may ...
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  • 18
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    Nature 184 (1959), S. 1519-1521 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN his presidential address to the British Association in Dublin in 1957, Prof. P. M. S. Blackett directed attention to the steadily widening gap between the Western countries and those of Asia and Africa, and advocated a loan of £1,000 million a year, in addition to commercial and short-term ...
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  • 19
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    Nature 184 (1959), S. 1935-1935 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Green and yellow fruits of sour cherry (Prunus cerasus L., var. Montmorency) and two varieties of sweet cherry (Prunus avium L.), the Windsor and Yellow Glass, were found to have leuco-anthocyanins in both the peels and flesh by a method4 of detection involving heating the plant tissues in 2 N ...
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  • 20
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    Nature 184 (1959), S. 1533-1533 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN the light of the Government's recent decision to consent to the construction of a large nuclear power station on Dungen ess, the Nature Conservancy states that the direct and indirect repercussions of the power station on the remaining area show conclusively that the future scientific interest ...
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  • 21
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    Nature 184 (1959), S. 1533-1533 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] To mark the hundredth anniversary of the publication of Darwin's "Origin of "Species", a commemorative oration was delivered by Prof. C. F. A. Pantin at Christ's College, Cambridge, on September 29 ("Young Darwin and the 'Origin of Species'." By Dr. C. F. A. Pantin. Pp. 17. Cambridge : Christ's ...
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  • 22
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    Nature 184 (1959), S. 1534-1534 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] LIVERPOOL Public Museums have recently placed on exhibition a series of working models of steam reciprocating marine engines. They cover the period 1837-1937 and start with the side-lever paddle engine of 1837. Then comes a set of oscillating cylinder paddle engines of the 1840's. Also in the ...
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  • 23
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    Nature 184 (1959), S. 1533-1533 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE United Kingdom Atomic Energy Authority has signed a contract with the Hawker Siddeley Nuclear Power Co. for the purchase of a reactor to be installed at the Atomic Energy Establishment, Winfrith, Dorset, to be in operation by December 1960. Contracts for shielding, and other equipment ...
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  • 24
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    Nature 184 (1959), S. 1535-1535 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MR. BRYAN HARRIS, a graduate in metallurgy from the University of Birmingham, has been appointed to a Tube Investments Research Fellowship for work in the physics and chemistry of solids, at the Cavendish Laboratory, Cambridge. MR. G. G. GOURIET is to give the Christmas Holiday Lecture of the ...
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  • 25
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    Nature 184 (1959), S. 1537-1538 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] THE University of Liverpool has had a Mathe-X matical Laboratory for more than twenty-five years?it was established by Prof. L. Rosenhead in 1934 shortly after he became head of the Department of Applied Mathematics. The primary object of the Laboratory was always to train students in the honours ...
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  • 26
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    Nature 184 (1959), S. 1539-1540 
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    Notes: [Auszug] A MEETING, under the joint auspices of the Faraday Society (Colloid and Biophysics Committee) and the British Society of Rheology, was held during September 23 and 24 in the School of Physiology of the University of Oxford. On the first day, the flow properties of various biological systems were ...
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  • 27
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    Nature 184 (1959), S. 1543-1543 
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    Notes: [Auszug] WITH the encouragement of the Government of Tanganyika, a second party from the University of Oxford visited the Mahali Mountains on the eastern shore of Lake Tanganyika during July to October to continue the work started by last year's expedition (see Nature, 183, 726 ; March 14, 1959). The ...
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    Nature 184 (1959), S. 1549-1552 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THERE has been, in recent years, a revival of JL interest in 'old-fashioned' comparative morphology as a tool in problems of taxonomy and phylogeny of Angiosperms1. Among the many groups in which conventional study of the morphology of the flower is still required is the large and important genus ...
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    Nature 184 (1959), S. 1554-1554 
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    Notes: [Auszug] ASSISTANT LECTOR or LECTURER IN THE DEPARTMENT OF ZOOLOGY ?The Registrar, The University, Liverpool (December 19) SHEPHERD RESEARCH FELLOW IN THE DEPARTMENT OF PATHOLOGY for work on immunological problems of ocular disease? The Director Department of Pathology, Institute of Ophthalmology ...
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    Nature 184 (1959), S. 1543-1545 
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    Notes: [Auszug] THIS examination of the diurnal variation of geomagnetic activity at Halley Bay, lat. 75 31' S., long. 26 37' W., was based on Q -indices which occurred during the five most disturbed days in each month. A year was formed from the twenty months observations and then divided into four seasons. ...
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    Nature 184 (1959), S. 1554-1554 
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    Notes: [Auszug] (Meetings marked urith an asterisk * are open to the public) Monday, December 14 INSTITUTION OF ELECTRICAL ENGINEERS (at Savoy Place, London, P P Eckersle p'm-~~I)lscusslon on "Why Hi-Fi ?", opened by Mr. SOCIETY OP CHEMICAL INDUSTRY, PESTICIDES GROUP (at 14 Belgrave Square London, S.W.I), ...
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    Nature 184 (1959), S. 1555-1556 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] During a time equal to the period of oscillation of the cluster through the galactic plane, ^-^lO8 years, the stars in a globular cluster will shed mass of the order of IQ3M. This estimate follows from the above value for the mean mass of white dwarfs and is based on the luminosity function for M ...
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    Nature 184 (1959), S. 1557-1558 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] We wish to report here on an examination of the isotopic composition of oxygen in samples of recent snow, collected in known meteorological conditions on the coast of Antarctica. The ratio oxygen-18/oxygen-16 has been measured in samples of snow collected during the International Geophysical Year ...
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    Nature 184 (1959), S. 1559-1560 
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    Notes: [Auszug] The use of such more conventional energy units as kcal./mol., eV., or cm.-1, for example, avoids some of the confusion concerning multiplicity of unit, but has other decided disadvantages. These units are not the primary result of the calculation and the conversion factors depend on the currently ...
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    Nature 184 (1959), S. 1562-1563 
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    Notes: [Auszug] The importance of the amino-acid residues proline and hydroxyproline (the pyrrolidine residues) in the configuration and optical rotatory power of proteins has been discussed by Szent-Gyrgyi and Cohn5. The relationship between optical rotatory power and the content of pyrrolidine residues has been ...
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    Nature 184 (1959), S. 1563-1564 
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    Notes: [Auszug] The presence of free palmitic acid and of palmitone (IV)6 in the lipids of G. diphtherice as well as previous work on the mycolic acids of Mycobacterise7 suggested that corynomycolic acid (III, R = H) is formed in vivo by the condensation of two molecules of palmitic acid (probably as ...
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    Nature 184 (1959), S. 1565-1566 
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    Notes: [Auszug] This method is, of course, possible only when the complex being studied is stable enough to survive the first gel filtration, but capable of being easily split under other conditions. Such prerequisites may appear strongly to limit the applicability of the procedure. However, this is not ...
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    Nature 184 (1959), S. 1567-1568 
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    Notes: [Auszug] The procedure is as follows: After conclusion of the electrophoretic experiment, the strips are air-dried and heated at 120 C. for 30 min. They are then dyed for 45 min. in a 0*1 per cent solution of bromophenol blue in 96 per cent ethanol to which 2 per cent glatial acetic acid has been added. ...
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    Nature 184 (1959), S. 1570-1571 
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    Notes: [Auszug] HeLa cells, a continuous amniotic cell line (CAL) and primary amnion cell cultures were used. Briefly, the technique was as follows: HeLa and GAL cells were cultivated in Roux bottles containing 30 per cent active human serum in Hanks solution; cell inocula were prepared by trypsinization and were ...
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    Nature 184 (1959), S. 1951-1952 
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    Notes: [Auszug] The square root law for areal variation is observed rigorously when the stimulation time t〈 to and the diameter of the stimulus area d 〉 do; the corresponding temporal law applies when d 〈 do and t 〉 to. do and to are experimental constants; to is 0*1 sec. between eccentricities of 11 and 19 ...
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    Nature 184 (1959), S. 1954-1955 
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    Notes: [Auszug] Mycelium was grown in a liqiud medium ('Bacto' nutrient broth, glycerol, pS. 7) on a rotary shaker at 30 C. The endogenous respiration of S. coelicolor 9 S. fradiae, S. lavendulae, S. griseus and S. rimosus pellets was inhibited between 40 and 70 per cent by IQ-*M hydrogen cyanide. In order to ...
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    Nature 184 (1959), S. 1955-1956 
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    Notes: [Auszug] These analyses confirmed those carried out previously by Mittler3, Wanner5, Ziegler6 and Zimmer-mann7. Apart from sucrose the only other carbohydrates present were raffinose and stachyose. The former was found in quantities up to 15 per cent of the total carbohydrate present, the latter as a trace ...
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    Nature 184 (1959), S. 1578-1579 
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    Notes: [Auszug] These assumptions have now been subjected to closer investigation. Since lucerne plants usually gave a larger response to the various treatments than did clover plants, most experiments were conducted with lucerne. Clover plants gave, however, entirely analogous results. The bacteria were grown in ...
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    Nature 184 (1959), S. 1584-1585 
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    Notes: [Auszug] What really permits of superior sections is the application of a special kind of adhesive tape to the block before each section is cut. By so doing the section with all the tissues in place is firmly held to the adhesive tape, shows no compression, therefore requires no further spreading. The ...
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    Nature 184 (1959), S. 1587-1587 
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    Notes: [Auszug] A plant from the small natural population of hexaploid nigrum, growing in the Botanical Gardens of the University of Allahabad, revealed more often 6iv H- 811 (n = 20) as shown in Fig. 1, one bivalent remaining attached to the nucleolus. In one or two .cases an octovalent was also observed. Such a ...
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    Nature 184 (1959), S. 1590-1590 
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    Notes: [Auszug] Kamrin and Kamrin5 succeeded in provoking a certain degree of organ tolerance in adult mammals by means of parabiosis, and analogous results were described by Nakic and Silobrcic6 after skin transplantation between separated rat parabionts. The purpose of our investigations was to determine the ...
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    Nature 184 (1959), S. 1592-1593 
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    Notes: [Auszug] Fossil plants collected by me in 1958 from various localities in the Karroo of Rhodesia and Nyasaland also include similar fructifications. At Wankie, in Southern Rhodesia, a new quarry in the Upper Wankie (Ecca) Sandstone has yielded nine detached specimens which can be assigned with some degree ...
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    Nature 184 (1959), S. 1960-1961 
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    Notes: [Auszug] Quantitative studies of the particles capable of transducing single markers showed that they were few in number and ranged from 3 to 8 per ml. of culture filtrate. Attempts to increase the number of particles were generally unsuccessful. A slight increase was obtained following small doses of ...
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    Notes: [Auszug] Two types of experiment were performed. In the first, flies aged less than 3 hr. after eclosion were injected with about 0*05 pd. labelled thymidine (Schwartz Laboratories, New York) of about 0-9 me. per ml. (and about 180 mc./mM). Flies were killed at daily intervals, up to 9 days after treatment. ...
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    Nature 184 (1959), S. 1962-1963 
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    Notes: [Auszug] The sample of phytoplankton contained a large number of cells of the Coscinodiscus and the Asteromphalus which were represented in the two valves of the aberrant cells. Fig. 1 shows the girdle view of the two cells, the concave nature of the Coscinodiscus valves, and the different shape of the ...
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    Nature 184 (1959), S. 1438-1438 
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    Notes: [Auszug] THIS addition to the present series is most welcome. The author has tried to write a book suitable for students of physics in their final year and for specialists in other subjects who require a broad general background. It caters very well for the former group. By assuming a considerable ...
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    Nature 184 (1959), S. 1439-1439 
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    Notes: [Auszug] THOSE who have followed the recent literature on the clay minerals of Japan will be aware of the outstanding contribution made by Dr. Sudo and his collaborators. They will probably welcome, as does the reviewer, this collected account of his researches. Although much of this material has already ...
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    Nature 184 (1959), S. 1447-1448 
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    Notes: [Auszug] DR. S. T. BUTLER has been appointed, as from November 2, 1959, to the chair of physics in the field of theoretical physics in the School of Physics, at the University of Sydney. This is a newly created chair. Dr. Butler first studied at the University of Adelaide and graduated (B.Sc.) in 1945 with ...
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    Nature 184 (1959), S. 1440-1445 
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    Notes: [Auszug] THE conception of a virus as a mysterious, almost supernatural, entity dating from Mayer's studies on tobacco mosaic virus in 1886 persisted up to quite recent times, and learned discussions were held as to whether viruses were particulate or not. No one, however, suggested what they were if they ...
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    Nature 184 (1959), S. 1445-1447 
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    Notes: [Auszug] THE success with which the electron microscope has been used in biological research during the present decade was usefully brought to the attention of a wide variety of biologists by the Linnasan Society of London when it organized a one-day symposium entitled "Comparative Studies in Ultra ...
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    Nature 184 (1959), S. 1448-1448 
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    Notes: [Auszug] DR. H. R. AMBLER has been appointed to the newly created post of scientific adviser to the U.K. High Commissioner in New Delhi. In addition to advising the High Commissioner on scientific matters, he will be responsible for furthering the exchange of information between British and Indian ...
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    Nature 184 (1959), S. 1448-1448 
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    Notes: [Auszug] A Faculty of the History of Medicine and Pharmacy has been founded under the auspices of the Worshipful Society of Apothecaries of London (which received its Charter from King James I in 1617). Its aim is to foster and extend more general interest in medical history, and to attract the co-operation ...
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    Nature 184 (1959), S. 1451-1451 
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    Notes: [Auszug] A REGIONAL training course on the use of radio -isotopes in agricultural research, organized jointly by the Ministry of Food and Agriculture, Government of India, Food and Agriculture Organization, International Atomic Energy Agency and Unesco South Asia Science Co-operation Office, will be held at ...
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    Nature 184 (1959), S. 1451-1451 
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    Notes: [Auszug] THE firm of Blackie and Son, Ltd., has celebrated its 150th year of publishing. Until very recently, all the scientific and technical publishing was conducted from Glasgow, but now a publishing department has been set up at the firm's London office to handle this type of book, and Mr. Christopher ...
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    Nature 184 (1959), S. 1968-1969 
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    Notes: [Auszug] All experiments were conducted at 76-78F., 56-58 per cent relative humidity, and constant light intensity. Adult mosquitoes had access to 10 per cent sucrose solution. In the first experiment, 100 male and 100 female mosquitoes were used, and a portion of the observer's arm was exposed at a second ...
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    Nature 184 (1959), S. 1969-1970 
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    Notes: [Auszug] This communication describes a preliminary examination of the slimes produced by Pseudomonas solanacearum strains F2/2S and RE21S, virulent to tomato and banana plants respectively. An interesting feature of these strains is the low virulence of the tomato strain towards banana plants and vice ...
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    Nature 184 (1959), S. 1457-1457 
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    Notes: [Auszug] AS remarked in the opening sentence of this report*, by far the most important event of the year in British forestry was the statement on policy made in Parliament. In view of the developments and progress since the post-war policy was adopted in 1946, planting is to continue at approximately the ...
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    Notes: [Auszug] THE neurohypophyses of all mammals so far investigated contain oxytocin and arginine vasopressin, with the exception of that of the pig, which contains oxytocin and lysine vasopressin. There are some indications, however, that the active principles in the glands of other vertebrate classes may ...
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    Nature 184 (1959), S. 1468-1469 
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    Notes: [Auszug] A MOLECULE of human adult haemoglobin, which contains two types of polypeptide chains designated the a- and (3-chains1, dissociates into subunits oc2 and (3a in dilute acid and re-associates to the native molecule oc2p2 in neutral solution2.3. (A different nomenclature has been used in previous ...
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    Nature 184 (1959), S. 1473-1473 
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    Nature 184 (1959), S. 1474-1475 
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    Notes: [Auszug] In this procedure, millipore niters, which are an integral part of chambers used to expose lungs of animals to radioactive dusts, are collected and processed for examination with the electron microscope by the method described by Kalmus3. Small areas of approximately 2 mm.2 are cut out of the ...
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    Nature 184 (1959), S. 1477-1478 
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    Notes: [Auszug] The basic hypothesis is that the mechanical properties of such materials as paper, regenerated cellulose sheets and fibres, and ice are controlled by the number, n, of hydrogen bonds per unit volume of material subjected to strain, and by the potential energy, Uo, of these bonds. Thus the theory ...
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    Nature 184 (1959), S. 1476-1477 
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    Notes: [Auszug] The samples were broken by scratching with a diamond on one surface and tapping on the opposite side until the sample split open with a rapid break. The broken halves were placed immediately in the etchant. A microscopic examination of these etched surfaces disclosed minute line patterns which in ...
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    Nature 184 (1959), S. 1479-1480 
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    Notes: [Auszug] With the development of the electron micro-probe analyser by Castaing2 it has become feasible to investigate the chromium distribution around carbides formed in a sensitized austenitic stainless steel. Therefore, using the instrument available in this laboratory, a series of experiments have been ...
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    Nature 184 (1959), S. 1483-1484 
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    Notes: [Auszug] Table 1. PHYSICAL CHARACTERISTICS OF PRODUCTS A, B, C, AND D Spot A B C 1) Fluorescence yellow green yellow brown buff blue green from epinephrine 0-41 (0-63) 0-41 (0-55) 0-51 (0-37) 0-60 (0-27) RF values (2nd dimension in parentheses) from norepinephrine 0-43 (0-66) 0-42 (0-55) 0-52 ...
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    Nature 184 (1959), S. 1486-1486 
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    Notes: [Auszug] To 0-3 ml. blood serum was added 0-3 ml. 1 per cent aqueous solution of tannin. The complex was then subjected to ultrasound for 30 minutes. A piezoelectric generator with frequency 780 kc./s. and power 30 W./cm.2 was used. A stream of water kept the temperature in the range 12-5-17 C. The serum ...
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    Nature 184 (1959), S. 1489-1490 
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    Notes: [Auszug] We have found that the phospho-anhydrides of amino-acids described previously1 may undergo de-amination without the aid of any enzymes and are converted spontaneously into the corresponding hydroxy acids in dilute aqueous solutions. At room temperature solutions (^1/100 M) of glycyl, alanyl, ...
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    Nature 184 (1959), S. 1493-1494 
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    Notes: [Auszug] Several elegant optical methods using the contact lens have been evolved by others in this field1'2, but for reasons mainly connected with space and recording difficulties they are unsuitable for our applications. The present system using a contact lens follows that of Fender3, except that his ...
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    Nature 184 (1959), S. 1496-1497 
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    Notes: [Auszug] The tests of chemotherapeutic activity of isatin thiosemicarbazone were carried out by the method described previously2. A titration of a suspension of mouse brain infected with rabbit-pox virus was carried out in parallel, two groups of 6 mice being infected intracerebrally with each of 5 decimal ...
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    Nature 184 (1959), S. 1501-1502 
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    Notes: [Auszug] It was first observed that 12 hr. 21 days after a 700-r. whole-body irradiation was the best interval for the study of the mechanism of X-inhibition of rat spleen ribo- and deoxyribo-nucleic acid biosynthesis. Thus, between 12 hr. and 10 days, the quantities of nucleic acid remain steadily well ...
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    Nature 184 (1959), S. 1505-1506 
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    Notes: [Auszug] The Henle cell line was obtained from Microbiological Associates and was grown at 37 C. in medium 199 (Microbiological Associates) plus 15 per cent inactivated human serum with 125 mgm./l. of streptomycin and pennicillin and 10 mgm./l. of chloromycetin. Cells were kept in one-litre Roux bottles ...
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    Nature 184 (1959), S. 1845-1845 
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    Notes: [Auszug] IT is announced that Mr. R. G. Baker has been elected president for the year 1960-61 in succession to Mr. T. A. Rogers. Ir. A. Hellemans (director, Staatsmijnen in Limburg) and Dr. J. Taylor have been elected honorary members of the Institution. The tenth award of the Douglas Hay Medal, instituted ...
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    Notes: [Auszug] THE first awards of these scholarships were made in 1958 and the second awards have now been made by the Trust. The scheme is sponsored by the following companies : Arthur Guinness Son and Co., Ltd. ; Associated Electrical Industries, Ltd. ; Court-aulds, Ltd. ; English Electric Co., Ltd. ; Guest ...
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    Notes: [Auszug] COMMENCING January 9, a course of twelve lectures and appropriate practical work on micro- and semi-microchemical methods will be held on Saturday mornings at the Norwood Technical College, London, S.E.27. This course has been arranged for teachers, industrial and research chemists, and is designed ...
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    Notes: [Auszug] The authors of the communication entitled "Mineral Uptake and Retention in Cotton-grass (Eriophorum vaginatum L.)" published in N ature of August 8, p. 467, state that the ordinate of Fig. 1 was incorrectly printed by them ; for "m.eq." read ...
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    Nature 184 (1959), S. 1846-1847 
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    Notes: [Auszug] THE fortieth annual general meeting of the British Cotton Industry Research Association was held at the Shirley Institute on October 22, with the chairman of the Association, Mr. N. G. McCulloch, presiding. In his address Mr. McCulloch said that he wished to reiterate a view that he had many times ...
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    Nature 184 (1959), S. 1350-1351 
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    Notes: [Auszug] EXPERIMENTS which have tested special rela-Hd tivity have usually been forced to rely on great delicacy and precision in order to detect or examine the small differences between predictions of special relativity and those of alternate theories. This is because these differences appear multiplied by ...
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    Nature 184 (1959), S. 1364-1365 
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    Notes: [Auszug] ON October 14 a new block of research laboratories for the Cambridge Instrument Company, Ltd., was opened by Lord Adrian, Master of Trinity College and until recently Vice-Chancellor of the University of Cambridge. Following the opening, about 120 distinguished guests were entertained to lunch by ...
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    Nature 184 (1959), S. 1368-1369 
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    Notes: [Auszug] THE new laboratory building of the National Vegetable Research Station was officially opened on October 23 by H.R.H. The Duke of Edinburgh. The decision to establish the Station was taken after the Second World War because of a continuing need to encourage vegetable production in Great Britain, ...
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    Nature 184 (1959), S. 1362-1362 
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    Notes: [Auszug] PROF. C. F. CARTER, Stanley Jevons professor of political economy and Cobden lecturer in the University of Manchester, has been appointed a member of the Council for Scientific and Industrial Research, in succession to Prof. E. A. G. Robinson, who retires on completion of his period of service. ...
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    Notes: [Auszug] In the communication entitled "Effect of Sorbitol on the Urinary Excretion of some B Vitamins in Man" in Nature of September 19, p. 911. the numerical values of the ordinates have been inverted; thus, reading from below upwards, the values for riboflavin should be 150, 200, 250 (zgrn.: those for ...
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    Nature 184 (1959), S. 1854-1855 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE interpretation of serological studies of haemo-X globin is difficult because a preparation of haemoglobin may contain two or more distinct haemoglobins as well as other soluble antigenic constituents of the red cell. Markowitz, Cartwright and Wintrobe1 have investigated quantitatively antisera ...
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  • 88
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    Nature 184 (1959), S. 1391-1391 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Only a few sunspots, however, are associated with noise storms, and the question arises what makes certain sunspots show noise activity. If characteristic features of noise-active sunspots could be found, further information about the generation mechanism might conceivably be deduced. Observable ...
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    Nature 184 (1959), S. 1394-1395 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The oxygen electrode has been employed extensively by Britton Chance for the study of oxidative phos-phoryltion and several reactions involving oxido-raJuetion meefcs^V With this apparatus the oxygen uptake is easily followed and recorded immediately after thf addition of the iubstmt to the ...
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  • 90
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    Nature 184 (1959), S. 1397-1398 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The first method which is of general application to aromatic nitro groups involves the reduction of the nitro group with titanous chloride and conversion of the amine to a coloured Schiff's base3 by spraying with an acid solution of p-dimethylaminobenzaldehyde (Ehrlich's reagent). The chromatogram ...
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  • 91
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    Nature 184 (1959), S. 1399-1399 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Chromium (Z=24), manganese (Z=25) and nickel (Z = 2S) are the only metals of atomic numbers between 23 (vanadium) and 30 (zinc) which have not been shown to exhibit biological functions in association with specific organic substances in vivo. The atomic structure and chemical reactivities of these ...
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  • 92
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    Nature 184 (1959), S. 1402-1403 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Seeds of the onion, Allium cepa cooled to 90 K. gave a strong electron spin resonance signal to a carrier wave of 9,000 Mc./s. and a magnetic field of 3,000 gauss (Fig. la). The seeds were then hydrated and allowed to germinate, the signal strength being tested by serial samples taken at specific ...
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  • 93
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A culture medium consisting of 4 gm. dried foxtail in 1,000 c.c. of distilled water was prepared. This was allowed to stand uncovered for 3 days and then inoculated with Paramecia. After 15 days at room temperature, 10 c.c. portions of this culture were placed in test tubes containing equivalent ...
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  • 94
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    Nature 184 (1959), S. 1408-1408 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Since clovers usually contain substantially higher contents of magnesium, cobalt and copper than grasses, any attempt to restrict clover growth on a large scale could have very far-reaching consequences. ti'or example, the incidence of hypomagnesaemic tetany in sheep and cattle, related as it ...
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  • 95
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    Nature 184 (1959), S. 1865-1865 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We obtained a very close correlation between these two quantities when the electron densities were calculated by means of a very simple method recently proposed by Del Re2. The dependence is linear. The data for saturated, non-substituted derivatives lie on one straight line, while the data for ...
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    Nature 184 (1959), S. 1865-1866 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Expression 1 may be applied without making assumptions regarding the dependence of p and q upon the radiation dose. Lightly masticated pale crepe rubber, which had been freshly extracted with acetone, was evacuated and sealed in glass tubes. After irradiation, with gamma radiation from a cobalt-60 ...
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    Nature 184 (1959), S. 1867-1867 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Air-dried potato starch granules containing 18-5 per cent moisture were irradiated from a source of 1,400 c. cobalt-60 giving total doses of 105-108r. at a rate of 2-5 x 105r./hr. As a result, intrinsic viscosity, viscoelasticity measured by a V.I. viscometer, and blue value of the starch ...
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    Nature 184 (1959), S. 1421-1423 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Table l. CORRELATION OF ENNERDALE CORES WITH LATE-GLACIAL AND EARLY POST-GLACIAL EVENTS, BASED ON GODWIN AND EASTWOOD (REF. 1). RADIOCARBON DATES FROM GODWIN et al. (REF. 7) Baltic Stages Pollen Zones Climatic Period North-west England Ennerdale Radio-: carbou ! Dating ,___} Littorina ...
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    Nature 184 (1959), S. 1423-1423 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Since little is known of the life-cycle of any species of Cyathostoma it was decided to investigate its mode of transmission. However, since this parasite is mainly restricted to juvenile birds, material was not readily available at all times of the year and therefore only two preliminary ...
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    Nature 184 (1959), S. 1425-1426 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A search of published information and local records regarding two outbreak regions of the red locust, the Mweru wa Ntipa in Northern Rhodesia and the Rukwa Valley in Tanganyika, suggested that wet periods of years were always unfavourable to locust numbers and dry periods were sometimes ...
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